linux-kernel - [PATCH drm-misc-next v10 04/12] drm/nouveau: get vmm via nouveau_cli

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230804182406.5222-5-dakr@redhat.com>
Date:   Fri,  4 Aug 2023 20:23:44 +0200
From:   Danilo Krummrich <dakr@...hat.com>
To:     airlied@...il.com, daniel@...ll.ch, tzimmermann@...e.de,
        mripard@...nel.org, corbet@....net, christian.koenig@....com,
        bskeggs@...hat.com, Liam.Howlett@...cle.com,
        matthew.brost@...el.com, boris.brezillon@...labora.com,
        alexdeucher@...il.com, ogabbay@...nel.org, bagasdotme@...il.com,
        willy@...radead.org, jason@...kstrand.net, donald.robson@...tec.com
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Danilo Krummrich <dakr@...hat.com>,
        Dave Airlie <airlied@...hat.com>
Subject: [PATCH drm-misc-next v10 04/12] drm/nouveau: get vmm via nouveau_cli_vmm()

Provide a getter function for the client's current vmm context. Since
we'll add a new (u)vmm context for UMD bindings in subsequent commits,
this will keep the code clean.

Reviewed-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Danilo Krummrich <dakr@...hat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c   | 2 +-
 drivers/gpu/drm/nouveau/nouveau_chan.c | 2 +-
 drivers/gpu/drm/nouveau/nouveau_drv.h  | 9 +++++++++
 drivers/gpu/drm/nouveau/nouveau_gem.c  | 6 +++---
 4 files changed, 14 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index c2ec91cc845d..7724fe63067d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -204,7 +204,7 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain,
 	struct nouveau_drm *drm = cli->drm;
 	struct nouveau_bo *nvbo;
 	struct nvif_mmu *mmu = &cli->mmu;
-	struct nvif_vmm *vmm = cli->svm.cli ? &cli->svm.vmm : &cli->vmm.vmm;
+	struct nvif_vmm *vmm = &nouveau_cli_vmm(cli)->vmm;
 	int i, pi = -1;
 
 	if (!*size) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c
index 3dfbc374478e..6d639314250a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -149,7 +149,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device,
 
 	chan->device = device;
 	chan->drm = drm;
-	chan->vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
+	chan->vmm = nouveau_cli_vmm(cli);
 	atomic_set(&chan->killed, 0);
 
 	/* allocate memory for dma push buffer */
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index b5de312a523f..81350e685b50 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -112,6 +112,15 @@ struct nouveau_cli_work {
 	struct dma_fence_cb cb;
 };
 
+static inline struct nouveau_vmm *
+nouveau_cli_vmm(struct nouveau_cli *cli)
+{
+	if (cli->svm.cli)
+		return &cli->svm;
+
+	return &cli->vmm;
+}
+
 void nouveau_cli_work_queue(struct nouveau_cli *, struct dma_fence *,
 			    struct nouveau_cli_work *);
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index ab9062e50977..45ca4eb98f54 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -103,7 +103,7 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
 	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
 	struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
 	struct device *dev = drm->dev->dev;
-	struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
+	struct nouveau_vmm *vmm = nouveau_cli_vmm(cli);
 	struct nouveau_vma *vma;
 	int ret;
 
@@ -180,7 +180,7 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
 	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
 	struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
 	struct device *dev = drm->dev->dev;
-	struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : & cli->vmm;
+	struct nouveau_vmm *vmm = nouveau_cli_vmm(cli);
 	struct nouveau_vma *vma;
 	int ret;
 
@@ -269,7 +269,7 @@ nouveau_gem_info(struct drm_file *file_priv, struct drm_gem_object *gem,
 {
 	struct nouveau_cli *cli = nouveau_cli(file_priv);
 	struct nouveau_bo *nvbo = nouveau_gem_object(gem);
-	struct nouveau_vmm *vmm = cli->svm.cli ? &cli->svm : &cli->vmm;
+	struct nouveau_vmm *vmm = nouveau_cli_vmm(cli);
 	struct nouveau_vma *vma;
 
 	if (is_power_of_2(nvbo->valid_domains))
-- 
2.41.0